Trait diesel::serialize::ToSql

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pub trait ToSql<A, DB: Backend>: Debug {
    // Required method
    fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result;
}
Expand description

Serializes a single value to be sent to the database.

The output is sent as a bind parameter, and the data must be written in the expected format for the given backend.

When possible, implementations of this trait should prefer using an existing implementation, rather than writing to out directly. (For example, if you are implementing this for an enum, which is represented as an integer in the database, you should use i32::to_sql(x, out) instead of writing to out yourself.)

Any types which implement this trait should also #[derive(AsExpression)].

§Backend specific details

  • For PostgreSQL, the bytes will be sent using the binary protocol, not text.
  • For SQLite, all implementations should be written in terms of an existing ToSql implementation.
  • For MySQL, the expected bytes will depend on the return value of type_metadata for the given SQL type. See MysqlType for details.
  • For third party backends, consult that backend’s documentation.

§Examples

Most implementations of this trait will be defined in terms of an existing implementation.

#[repr(i32)]
#[derive(Debug, Clone, Copy, AsExpression)]
#[diesel(sql_type = Integer)]
pub enum MyEnum {
    A = 1,
    B = 2,
}

impl<DB> ToSql<Integer, DB> for MyEnum
where
    DB: Backend,
    i32: ToSql<Integer, DB>,
{
    fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> serialize::Result {
        match self {
            MyEnum::A => 1.to_sql(out),
            MyEnum::B => 2.to_sql(out),
        }
    }
}

Using temporary values as part of the ToSql implementation requires additional work.

Backends using RawBytesBindCollector as BindCollector copy the serialized values as part of Write implementation. This includes the Mysql and the Pg backend provided by diesel. This means existing ToSql implementations can be used even with temporary values. For these it is required to call Output::reborrow to shorten the lifetime of the Output type correspondingly.

#[repr(i32)]
#[derive(Debug, Clone, Copy, AsExpression)]
#[diesel(sql_type = Integer)]
pub enum MyEnum {
    A = 1,
    B = 2,
}

impl ToSql<Integer, diesel::pg::Pg> for MyEnum
where
    i32: ToSql<Integer, diesel::pg::Pg>,
{
    fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, diesel::pg::Pg>) -> serialize::Result {
        let v = *self as i32;
        <i32 as ToSql<Integer, diesel::pg::Pg>>::to_sql(&v, &mut out.reborrow())
    }
}

For any other backend the Output::set_value method provides a way to set the output value directly. Checkout the documentation of the corresponding BindCollector::Buffer type for provided From<T> implementations for a list of accepted types. For the Sqlite backend see SqliteBindValue.

#[repr(i32)]
#[derive(Debug, Clone, Copy, AsExpression)]
#[diesel(sql_type = Integer)]
pub enum MyEnum {
    A = 1,
    B = 2,
}

impl ToSql<Integer, diesel::sqlite::Sqlite> for MyEnum
where
    i32: ToSql<Integer, diesel::sqlite::Sqlite>,
{
    fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, diesel::sqlite::Sqlite>) -> serialize::Result {
        out.set_value(*self as i32);
        Ok(IsNull::No)
    }
}

Required Methods§

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

See the trait documentation.

Implementations on Foreign Types§

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impl ToSql<BigInt, Mysql> for i64

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<BigInt, Pg> for i64

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<BigInt, Sqlite> for i64

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Binary, Sqlite> for [u8]

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Bool, Mysql> for bool

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Bool, Pg> for bool

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Bool, Sqlite> for bool

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<CChar, Pg> for u8

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Cidr, Pg> for IpNet

Available on crate features ipnet-address and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Cidr, Pg> for IpNetwork

Available on crate features network-address and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Citext, Pg> for str

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Citext, Pg> for String

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Date, Mysql> for NaiveDate

Available on crate features chrono and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Date, Mysql> for Date

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Date, Pg> for NaiveDate

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Date, Pg> for Date

Available on crate features time and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Date, Sqlite> for str

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Date, Sqlite> for NaiveDate

Available on crate features chrono and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Date, Sqlite> for Date

Available on crate features time and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Date, Sqlite> for String

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Datetime, Mysql> for NaiveDateTime

Available on crate features chrono and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Datetime, Mysql> for OffsetDateTime

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Datetime, Mysql> for PrimitiveDateTime

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Double, Mysql> for f64

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Double, Pg> for f64

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Double, Sqlite> for f64

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Float, Mysql> for f32

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Float, Pg> for f32

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Float, Sqlite> for f32

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Inet, Pg> for IpNet

Available on crate features ipnet-address and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Inet, Pg> for IpNetwork

Available on crate features network-address and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Integer, Mysql> for i32

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Integer, Pg> for i32

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Integer, Sqlite> for i32

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Interval, Pg> for Duration

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Json, Mysql> for Value

Available on crate features serde_json and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Json, Pg> for Value

Available on crate features serde_json and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Jsonb, Pg> for Value

Available on crate features serde_json and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<MacAddr, Pg> for [u8; 6]

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Numeric, Mysql> for BigDecimal

Available on crate features bigdecimal and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Numeric, Pg> for BigDecimal

Available on crate features bigdecimal and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Oid, Pg> for u32

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<SmallInt, Mysql> for i16

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<SmallInt, Pg> for i16

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<SmallInt, Sqlite> for i16

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Text, Sqlite> for str

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Time, Mysql> for NaiveTime

Available on crate features chrono and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Time, Mysql> for Time

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Time, Pg> for NaiveTime

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Time, Pg> for Time

Available on crate features time and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Time, Sqlite> for str

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Time, Sqlite> for NaiveTime

Available on crate features chrono and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Time, Sqlite> for Time

Available on crate features time and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Time, Sqlite> for String

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamp, Mysql> for NaiveDateTime

Available on crate features chrono and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Timestamp, Mysql> for OffsetDateTime

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Timestamp, Mysql> for PrimitiveDateTime

Available on crate features time and mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Timestamp, Pg> for NaiveDateTime

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamp, Pg> for PrimitiveDateTime

Available on crate features time and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamp, Pg> for SystemTime

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamp, Sqlite> for str

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamp, Sqlite> for NaiveDateTime

Available on crate features chrono and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamp, Sqlite> for PrimitiveDateTime

Available on crate features time and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamp, Sqlite> for String

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamptz, Pg> for NaiveDateTime

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamptz, Pg> for OffsetDateTime

Available on crate features time and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamptz, Pg> for PrimitiveDateTime

Available on crate features time and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl ToSql<Timestamptz, Sqlite> for str

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamptz, Sqlite> for NaiveDateTime

Available on crate features chrono and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamptz, Sqlite> for OffsetDateTime

Available on crate features time and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamptz, Sqlite> for PrimitiveDateTime

Available on crate features time and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<Timestamptz, Sqlite> for String

Available on crate feature sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl ToSql<TinyInt, Mysql> for i8

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Unsigned<BigInt>, Mysql> for u64

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Unsigned<Integer>, Mysql> for u32

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Unsigned<SmallInt>, Mysql> for u16

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Unsigned<TinyInt>, Mysql> for u8

Available on crate feature mysql_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Mysql>) -> Result

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impl ToSql<Uuid, Pg> for Uuid

Available on crate features uuid and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<'a, A, T, DB> ToSql<A, DB> for &'a T
where DB: Backend, T: ToSql<A, DB> + ?Sized,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<'a, T, ST, DB> ToSql<ST, DB> for Cow<'a, T>
where T: 'a + ToOwned + ToSql<ST, DB> + ?Sized, DB: Backend, Self: Debug,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<DB> ToSql<Binary, DB> for Vec<u8>
where DB: Backend, [u8]: ToSql<Binary, DB>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<DB> ToSql<Binary, DB> for [u8]
where for<'a> DB: Backend<BindCollector<'a> = RawBytesBindCollector<DB>>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<DB> ToSql<Text, DB> for str
where for<'a> DB: Backend<BindCollector<'a> = RawBytesBindCollector<DB>>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<DB> ToSql<Text, DB> for String
where DB: Backend, str: ToSql<Text, DB>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<DB, const N: usize> ToSql<Binary, DB> for [u8; N]
where DB: Backend, [u8]: ToSql<Binary, DB>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<ST, T> ToSql<Array<ST>, Pg> for [T]
where Pg: HasSqlType<ST>, T: ToSql<ST, Pg>,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<ST, T> ToSql<Array<ST>, Pg> for Vec<T>
where ST: 'static, [T]: ToSql<Array<ST>, Pg>, T: Debug,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<ST, T> ToSql<Nullable<Array<ST>>, Pg> for [T]
where [T]: ToSql<Array<ST>, Pg>, ST: 'static,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<ST, T> ToSql<Nullable<Array<ST>>, Pg> for Vec<T>
where ST: 'static, Vec<T>: ToSql<Array<ST>, Pg>,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<ST, T> ToSql<Nullable<Range<ST>>, Pg> for (Bound<T>, Bound<T>)
where ST: 'static, (Bound<T>, Bound<T>): ToSql<Range<ST>, Pg>,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<ST, T> ToSql<Range<ST>, Pg> for (Bound<T>, Bound<T>)
where T: ToSql<ST, Pg>,

Available on crate feature postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<T, ST, DB> ToSql<Nullable<ST>, DB> for Option<T>
where T: ToSql<ST, DB>, DB: Backend, ST: SqlType<IsNull = NotNull>,

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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, DB>) -> Result

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impl<TZ: TimeZone> ToSql<Timestamptz, Pg> for DateTime<TZ>

Available on crate features chrono and postgres_backend only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

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impl<TZ: TimeZone> ToSql<Timestamptz, Sqlite> for DateTime<TZ>

Available on crate features chrono and sqlite only.
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fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Sqlite>) -> Result

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impl<Tz: TimeZone, __DB> ToSql<Nullable<Timestamptz>, __DB> for DateTime<Tz>
where __DB: Backend, Self: ToSql<Timestamptz, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<Tz: TimeZone, __DB> ToSql<Nullable<Timestamptz>, __DB> for DateTime<Tz>
where __DB: Backend, Self: ToSql<TimestamptzSqlite, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<BigInt>, __DB> for i64
where __DB: Backend, Self: ToSql<BigInt, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Binary>, __DB> for Vec<u8>
where __DB: Backend, Self: ToSql<Binary, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Binary>, __DB> for [u8]
where __DB: Backend, Self: ToSql<Binary, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Bool>, __DB> for bool
where __DB: Backend, Self: ToSql<Bool, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<CChar>, __DB> for u8
where __DB: Backend, Self: ToSql<CChar, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Cidr>, __DB> for IpNet
where __DB: Backend, Self: ToSql<Cidr, __DB>,

Available on crate features ipnet-address and postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Cidr>, __DB> for IpNetwork
where __DB: Backend, Self: ToSql<Cidr, __DB>,

Available on crate features network-address and postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Citext>, __DB> for str
where __DB: Backend, Self: ToSql<Citext, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Citext>, __DB> for String
where __DB: Backend, Self: ToSql<Citext, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Date>, __DB> for str
where __DB: Backend, Self: ToSql<Date, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Date>, __DB> for NaiveDate
where __DB: Backend, Self: ToSql<Date, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Date>, __DB> for NaiveDate
where __DB: Backend, Self: ToSql<Date, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Date>, __DB> for String
where __DB: Backend, Self: ToSql<Date, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Datetime>, __DB> for NaiveDateTime
where __DB: Backend, Self: ToSql<Datetime, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Datetime>, __DB> for OffsetDateTime
where __DB: Backend, Self: ToSql<Datetime, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Datetime>, __DB> for PrimitiveDateTime
where __DB: Backend, Self: ToSql<Datetime, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Double>, __DB> for f64
where __DB: Backend, Self: ToSql<Double, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Float>, __DB> for f32
where __DB: Backend, Self: ToSql<Float, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Inet>, __DB> for IpNet
where __DB: Backend, Self: ToSql<Inet, __DB>,

Available on crate features ipnet-address and postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Inet>, __DB> for IpNetwork
where __DB: Backend, Self: ToSql<Inet, __DB>,

Available on crate features network-address and postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Integer>, __DB> for i32
where __DB: Backend, Self: ToSql<Integer, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Interval>, __DB> for Duration
where __DB: Backend, Self: ToSql<Interval, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Json>, __DB> for Value
where __DB: Backend, Self: ToSql<Json, __DB>,

Available on crate feature serde_json and (crate features postgres_backend or mysql_backend) only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Jsonb>, __DB> for Value
where __DB: Backend, Self: ToSql<Jsonb, __DB>,

Available on crate feature serde_json and (crate features postgres_backend or mysql_backend) only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<MacAddr>, __DB> for [u8; 6]
where __DB: Backend, Self: ToSql<MacAddr, __DB>,

Available on crate feature postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Numeric>, __DB> for BigDecimal
where __DB: Backend, Self: ToSql<Numeric, __DB>,

Available on crate feature bigdecimal only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Oid>, __DB> for u32
where __DB: Backend, Self: ToSql<Oid, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<SmallInt>, __DB> for i16
where __DB: Backend, Self: ToSql<SmallInt, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Text>, __DB> for str
where __DB: Backend, Self: ToSql<Text, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Text>, __DB> for String
where __DB: Backend, Self: ToSql<Text, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Time>, __DB> for str
where __DB: Backend, Self: ToSql<Time, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Time>, __DB> for NaiveTime
where __DB: Backend, Self: ToSql<Time, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Time>, __DB> for NaiveTime
where __DB: Backend, Self: ToSql<Time, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Time>, __DB> for String
where __DB: Backend, Self: ToSql<Time, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for str
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for NaiveDateTime
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for PrimitiveDateTime
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for String
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for SystemTime
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamptz>, __DB> for NaiveDateTime
where __DB: Backend, Self: ToSql<Timestamptz, __DB>,

Available on crate feature chrono only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamptz>, __DB> for OffsetDateTime
where __DB: Backend, Self: ToSql<Timestamptz, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamptz>, __DB> for PrimitiveDateTime
where __DB: Backend, Self: ToSql<Timestamptz, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Timestamptz>, __DB> for OffsetDateTime
where __DB: Backend, Self: ToSql<TimestamptzSqlite, __DB>,

Available on crate feature time only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<TinyInt>, __DB> for i8
where __DB: Backend, Self: ToSql<TinyInt, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Unsigned<BigInt>>, __DB> for u64
where __DB: Backend, Self: ToSql<Unsigned<BigInt>, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Unsigned<Integer>>, __DB> for u32
where __DB: Backend, Self: ToSql<Unsigned<Integer>, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Unsigned<SmallInt>>, __DB> for u16
where __DB: Backend, Self: ToSql<Unsigned<SmallInt>, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Unsigned<TinyInt>>, __DB> for u8
where __DB: Backend, Self: ToSql<Unsigned<TinyInt>, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<__DB> ToSql<Nullable<Uuid>, __DB> for Uuid
where __DB: Backend, Self: ToSql<Uuid, __DB>,

Available on crate features uuid and postgres_backend only.
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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

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impl<const N: usize, __DB> ToSql<Nullable<Binary>, __DB> for [u8; N]
where __DB: Backend, Self: ToSql<Binary, __DB>,

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fn to_sql<'__b>(&'__b self, out: &mut Output<'__b, '_, __DB>) -> Result

Implementors§

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impl ToSql<Date, Mysql> for MysqlTime

Available on crate feature mysql_backend only.
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impl ToSql<Date, Pg> for PgDate

Available on crate feature postgres_backend only.
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impl ToSql<Datetime, Mysql> for MysqlTime

Available on crate feature mysql_backend only.
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impl ToSql<Interval, Pg> for PgInterval

Available on crate feature postgres_backend only.
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impl ToSql<Money, Pg> for PgMoney

Available on crate feature postgres_backend only.
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impl ToSql<Numeric, Pg> for PgNumeric

Available on crate feature postgres_backend only.
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impl ToSql<Time, Mysql> for MysqlTime

Available on crate feature mysql_backend only.
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impl ToSql<Time, Pg> for PgTime

Available on crate feature postgres_backend only.
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impl ToSql<Timestamp, Mysql> for MysqlTime

Available on crate feature mysql_backend only.
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impl ToSql<Timestamp, Pg> for PgTimestamp

Available on crate feature postgres_backend only.
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impl ToSql<Timestamptz, Pg> for PgTimestamp

Available on crate feature postgres_backend only.
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impl<'a, DB> ToSql<Text, DB> for MigrationVersion<'a>
where Cow<'a, str>: ToSql<Text, DB>, DB: Backend,

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impl<'a, __DB> ToSql<Nullable<Text>, __DB> for MigrationVersion<'a>
where __DB: Backend, Self: ToSql<Text, __DB>,

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impl<__DB> ToSql<Nullable<Date>, __DB> for MysqlTime
where __DB: Backend, Self: ToSql<Date, __DB>,

Available on crate feature mysql_backend only.
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impl<__DB> ToSql<Nullable<Date>, __DB> for PgDate
where __DB: Backend, Self: ToSql<Date, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Datetime>, __DB> for MysqlTime
where __DB: Backend, Self: ToSql<Datetime, __DB>,

Available on crate feature mysql_backend only.
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impl<__DB> ToSql<Nullable<Interval>, __DB> for PgInterval
where __DB: Backend, Self: ToSql<Interval, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Money>, __DB> for PgMoney
where __DB: Backend, Self: ToSql<Money, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Numeric>, __DB> for PgNumeric
where __DB: Backend, Self: ToSql<Numeric, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Time>, __DB> for MysqlTime
where __DB: Backend, Self: ToSql<Time, __DB>,

Available on crate feature mysql_backend only.
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impl<__DB> ToSql<Nullable<Time>, __DB> for PgTime
where __DB: Backend, Self: ToSql<Time, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for MysqlTime
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

Available on crate feature mysql_backend only.
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impl<__DB> ToSql<Nullable<Timestamp>, __DB> for PgTimestamp
where __DB: Backend, Self: ToSql<Timestamp, __DB>,

Available on crate feature postgres_backend only.
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impl<__DB> ToSql<Nullable<Timestamptz>, __DB> for PgTimestamp
where __DB: Backend, Self: ToSql<Timestamptz, __DB>,

Available on crate feature postgres_backend only.